package Thread;

public class Demo3 {
    private static int count;
    private static Object locker=new Object();
    public static void main(String[] args) throws InterruptedException {
        Thread thread1=new Thread(()->{
            for (int i = 0; i < 50000; i++) {
                synchronized (locker){
                    count++;
                }

            }
        });
        Thread thread2=new Thread(()->{
            for (int i = 0; i < 50000; i++) {
                synchronized (locker){
                    count++;
                }
            }
        });
        thread1.start();
        thread2.start();
        thread1.join();
        thread2.join();
        System.out.println("count:"+count);
    }
}
